  <ion-header-bar class="bar bar-header bar-dark">
	<button ng-click="closeModal()" class="button back-button buttons button-clear header-item">
		<i class="icon ion-android-arrow-back"></i> 
    </button>   
    <h1 class="title">发送消息</h1>
    <button class="button button-positive" ng-disabled="msg.title == '' || msg.receiveCode == '' || msg.content == '';" ng-click="sendMessage();closeModal();">发送</button>
  </ion-header-bar>